<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <script>
        // 有一个包含工资的数组[1500, 1200, 2000, 2100, 1800]，
        // 要求把数组中工资超过 2000 的删除，剩余的放到新数组里面
        var arr = [1500, 1200, 2000, 2100, 1800];
        let arr1 =new Array();

        //1.
        let index = 0;
        for (let item of arr) {
            //console.log(item);
            let index = 0;
        for (let item of arr) {
            // console.log(item);
            if (item <=2000) {
                arr1[index] = item;
               index++;
             }
         }
        }

        console.log(arr1); 
    </script>
</body>
</html>